2421990313 has 2 divisors, whose sum is σ = 2421990314. Its totient is φ = 2421990312.

The previous prime is 2421990301. The next prime is 2421990317. The reversal of 2421990313 is 3130991242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1915200169 + 506790144 = 43763^2 + 22512^2 .

It is a cyclic number.

It is not a de Polignac number, because 2421990313 - 2⁵ = 2421990281 is a prime.

It is not a weakly prime, because it can be changed into another prime (2421990317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210995156 + 1210995157.

It is an arithmetic number, because the mean of its divisors is an integer number (1210995157).

Almost surely, 2^2421990313 is an apocalyptic number.

It is an amenable number.

2421990313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421990313 is an equidigital number, since it uses as much as digits as its factorization.

2421990313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 2421990313 is about 49213.7207798801. The cubic root of 2421990313 is about 1342.9426519516.

The spelling of 2421990313 in words is "two billion, four hundred twenty-one million, nine hundred ninety thousand, three hundred thirteen".